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Senior User
Joined: Oct 2004
Posts: 235
Likes: 1
Diesel innovations has some ceramic exhaust manifolds for the 99-03. I have been told you can use them on these trucks but it takes a little custom fabrication. If I ever get time i would like to try to put them on myself.
Lead Driver
Joined: May 2007
Posts: 8,606
Likes: 13
From: Belair md
i have read blurbs in the advertisements in the back of the dieselpower mag's but i never looked into it. i always read that it drops backpressure on the preturbo side for the ridiculous motors and if you put it on a "mostly stock" truck you would be hurting it.
Lead Driver
Joined: May 2007
Posts: 8,606
Likes: 13
From: Belair md
